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April 2021 issue
scientific commentaries
Open access
Several decades after the bis(diethyl etherate) of tungsten(IV) chloride was first mentioned in the literature, it has now at last been structurally characterized by single-crystal X-ray diffraction analysis, finally confirming its composition.
research papers
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Single-crystal X-ray diffraction investigation of the single-domain structures of stoichiometric Ni3Se2 and NiSe are reported.
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The ordering of two new variants of the X-phase derived from the Mn–Co–Ge system is compared with other members of the X-phase family and shows that the degree of disordering depends on the chemical composition. No completely ordered variants of the X-phase have yet been reported.
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The existence of the bis(diethyl ether) adduct of WCl4 has been confirmed. Room-temperature X-ray diffraction studies of the adduct reveal two coordinated diethyl ether molecules and establish the identity of the complex as trans-WCl4(Et2O)2.
CCDC reference: 2054886
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The structural characteristics of diastereotopic groups were analyzed in three new single-enantiomer phosphoramide structures.